Patent US2888031A successfully refreshed from Google Patents.
US2888031A
Expired / Lapsed
US
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Governor
Assignee: King Seeley Corp
•
Filing: 1956-12-20
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Granted: 1959-05-26
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Expires: 1976-12-20
Abstract
No abstract record available.
Inventors
- 👤 Malecki Witold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:54
CPC Classifications
F; F02; F02D; F02D9/00; F02D9/02; F02D11/00; F02D11/06; F02D11/08; F02D2009/0201; F02D2009/0215; F02D2009/0218; F02D2009/0272; F02D2009/0274; F02D2009/0289; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7748; Y10T137/7753
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1357960A
Cited
US2409070A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-25 | 1962-11-24 | 1963-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-25 | 1966-11-24 | 1967-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-25 | 1970-11-24 | 1971-05-26 | $7700.00 | Window Closed / Lapsed |